"Grey Zone: A Gap Between Heavy and Severe Exercise Domain", Özgür Özkaya, Refik Çabuk, Görkem Aybars Balcı, Hakan as, Norouzı Mahdı (13.11.2019-16.11.2019), 17th International Sport Sicences Congress, 2019

"Validity of the Best Individual Fit Method Used in Determining Critical Power", Özgür Özkaya, Refik Çabuk, Norouzı Mahdı, Görkem Aybars Balcı, Hakan as (13.11.2019-16.12.2019), 17th Sport Sciences Congress, 2019

"The highest exercise intensity to elicit peak oxygen consumption may be the last exercise level that can be seen cardio-dynamic phase", Özgür Özkaya, Görkem Aybars Balcı, Refik Çabuk, Hakan as, (31.10.2018-03.11.2018), 16th International Sport Science Congress, 2018

"Three New Exercise Domain Approaches Referring High Exercise Intensities: Cruel, Sprint and Explosive-Acceleration Exercise Domain", Özgür Özkaya, Refik Çabuk, Görkem Aybars Balcı, Hakan as, Norouzı Mahdı (13.11.2019-16.11.2019), 17th International Sport Sciences Congress, 2019

"Respiratory Compensation Point: a Third Threshold Obtained by an Incremental Test", Özgür Özkaya, Refik Çabuk, Görkem Aybars Balcı, Hakan as, Norouzı Mahdı (13.11.2019-16.11.2019), 17th International Sport Sciences Congress, 2019

"Analysis of All Variations Used for Critical Power Determination and Success Levels of Their in Anaerobic Threshold Determination", Özgür Özkaya, Refik Çabuk, Norouzı Mahdı, Görkem Aybars Balcı, Hakan as (13.11.2019-16.11.2019), 17th International Sport Sicences Congress, 2019

"Critical power based on traditional mathematical models is insufficient to estimate true critical threshold", Refik Çabuk, Görkem Aybars Balcı, Özgür Özkaya, Mehdi Norouzi, (31.10.2018-03.11.2018), 16th International Sport Science Congress, 2018

"There may be one more exercise domain between heavy and severe", Özgür Özkaya, Görkem Aybars Balcı, Refik Çabuk, Hakan as, Mehdi Norouzi (31.10.2018-03.11.2018), 16.uluslararası Spor Bilimleri Kongresi, 2018

"A simple method to predict the highest power output to elicit peak oxygen consumption in a single session", Özgür Özkaya, Görkem Aybars Balcı, Refik Çabuk, Hakan as, (31.10.2018-03.11.2018), 16th International Sport Science Congress, 2018

"Wingate Anaerobik Güç Testinde Yeni Nesil Göstergelerin Güvenilirliği ve Geçerliliği", Refik Çabuk, Özgür Özkaya, Emre Vardarlı, Hakan as, Şafak Burhan Temur, (14.05.2015-16.05.2015), 8. Ulusal Spor Bilimleri Öğrenci Kongresi, 2015